R6432!

The day that I opened my account I asked for a limit to be put onto my account, I had said that I want the limit to be R0 so that I wouldn't have to pay any additional fees. I opened the account on the 13th December 2014 and all was well. Midway through January 2015 I noticed that I had a balance of R297 so I immediately phoned to query and was told that there was no limit. They then AGAIN put on the limit for me. I now check my debit orders and they charged me R6432 on my account? This is absolutely ludicrous.. I have requested all the documents and phone calls but after 30mins of the consultant typing on her PC she cuts me off? In the first phone call to query the bill the consultant specifically said that it was R297. This is ********** level 9000..